Pseudomonas aeruginosa, Escherichia coli , Klebsiella pneumoniae and fungi were the main pathogens.銅綠假單胞菌, 大腸埃希菌, 克雷伯菌屬及真菌是主要致病菌.Process control of recombinant Escherichia fed - batch culture should be optimized.優化重組大腸桿菌...
Dingxi Prefecture is located in the foothill of the Loess Plateau climate is arid or semi - arid.位于黃土高原丘陵溝壑干旱半干旱區的甘肅省定西地區,面臨生態惡劣和經濟貧困的雙重危機.The scent of pine and the sound of crickets floated down from the foothill Appala...
根據概率理論, 將作用于鉆井井壁上的荷載分類模化.According to probabilistic theory, load on drilling shaft lining is respectively modelized.以氮氫混合氣體為模化介質,研究了單孔沖擊射流傳熱過程.An experimental investigation on single circular impingement heat transfer by...